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No Access Submitted: 30 October 2002 Accepted: 02 January 2003 Published Online: 10 February 2003

  • ZnO nanowires formed on tungsten substrates and their electron field emission properties

Appl. Phys. Lett. 82, 1096 (2003); https://doi.org/10.1063/1.1554477
Lifeng Dong, Jun Jiao, David W. Tuggle, and Jeremy M. Petty
  • Department of Physics, Portland State University, Portland, Oregon 97207-0751
    • Stephen A. Elliff
  • Department of Physics, Reed College, Portland, Oregon 97202
    • Michael Coulter
  • Oregon Episcopal School, Portland, Oregon 97223
    • more...View Contributors
    • Lifeng Dong
    • Jun Jiao
    • David W. Tuggle
    • Jeremy M. Petty
    • Stephen A. Elliff
    • Michael Coulter
    ABSTRACT
    Using a vapor transport method, ZnO nanowires were selectively synthesized both on tungsten tips as electron field emitters and on tungsten plates with designed patterns. Control of the growth locations of the nanowires was accomplished by selectively positioning a thin film of Au catalyst. The angular intensity and fluctuation of the field emission current from the ZnO nanowires synthesized on tungsten tips have been demonstrated to be similar to those of carbon nanotubes. A self-destruction limit of ∼0.1 mA/sr for angular intensity was observed, and the power spectra showed a 1/f3/2 characteristic from 1 Hz to 6 kHz.

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    1. © 2003 American Institute of Physics.

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